If you are reading this blog, you are likely well aware of the growing green sentiment all over the world. Here in the U.S., gas prices have finally begun to approach what they are on the rest of the globe, and this action has prompted a new word: hypermiling. First coined in 2004, the word took just four years to win Oxford Dictionary's Word of the Year award, proving that eco-friendly driving is on the upswing. Just what is hypermiling? Well, now that it's officially Oxford's Word of the Year,
Oxford University scientists have presented a concept for a biofuel cell at the national meeting of the American Chemical Society. Dr. Fraser Armstrong described a new type of fuel cell that comprises enzymes called hydrogenases that can oxidize hydrogen through metabolism. Electrodes coated with the enzymes produce electricity from ordinary air that is blended with three percent hydrogen. That concentration is low enough to prevent the mixture from being an explosive hazard.
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